25375 + 16686 − 21239 = 42061 − 20822 = 20822
1) $\snippet{name: op_column, sign: '+', x: 25375, y: 16686, z: 42061}$
2) $\snippet{name: op_column, sign: '-', x: 42061, y: 21239, z: 20822}$

(7829 − 5878) − (20000 − 18453) = 1951 − 1547 = 404
1) $\snippet{name: op_column, sign: '-', x: 7829, y: 5878, z: 1951}$
2) $\snippet{name: op_column, sign: '-', x: 20000, y: 18453, z: 1547}$
3) $\snippet{name: op_column, sign: '-', x: 1951, y: 1547, z: 404}$

(5689 − 3458 + 1723) − (25002 − 24848) + 2967 = (2231 + 1723) − 154 + 2967 = 3954 − 154 + 2967 = 3800 + 2967 = 6767
1) $\snippet{name: op_column, sign: '-', x: 5689, y: 3458, z: 2231}$
2) $\snippet{name: op_column, sign: '+', x: 2231, y: 1723, z: 3954}$
3) $\snippet{name: op_column, sign: '-', x: 25002, y: 24848, z: 154}$
4) $\snippet{name: op_column, sign: '-', x: 3954, y: 154, z: 3800}$
5) $\snippet{name: op_column, sign: '+', x: 3800, y: 2967, z: 6767}$